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fix(sandbox-doctor): bashrc block re-heals the /dev/shm remount on sandbox restart

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The 4G remount does not survive restarts; a reverted 64M shm made the
multi-tab browse handoff test fail consistently under suite concurrency
(observed live: two consecutive full-run failures, green in isolation,
green again after remounting). Same guarded arithmetic as the doctor body.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-08-29 15:10:41 +00:00
co-authored by Claude Fable 5
parent b811d4c311
commit 29d32aa308
1 changed files with 4 additions and 0 deletions
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scripts/sandbox-doctor.sh
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@@ -114,6 +114,10 @@ export GSTACK_FREE_RETRY_FLAKY=1
export DISPLAY=:99
[ -e /dev/fd ] || sudo -n ln -sfn /proc/self/fd /dev/fd 2>/dev/null || true
[ -e /tmp/.X11-unix/X99 ] || (Xvfb :99 -screen 0 1280x800x24 >/dev/null 2>&1 &)
# The 4G /dev/shm remount does not survive sandbox restarts; a 64M shm makes
# concurrent Chromium (multi-tab browse tests) fail under suite load.
shm_kb="$(df -k /dev/shm 2>/dev/null | awk 'NR==2 {print $2}')"
[ "${shm_kb:-0}" -gt 0 ] && [ "$shm_kb" -lt 1048576 ] && sudo -n mount -o remount,size=4G /dev/shm 2>/dev/null || true
EOF
say 'seeded ~/.bashrc test env'
fi